package oop3.src.polymorohic_demo;

public class Test {
    public static void main(String[] args) {
        Computer cp = new Computer("破电脑");

        polymorohic_demo.USB key = new Keyboard("rk987");
        cp.installUSB(key);
        polymorohic_demo.USB mou = new Mouse("蝰蛇");
        cp.installUSB(mou);
    }
}
